203013220031202 has 32 divisors (see below), whose sum is σ = 471637269961344. Its totient is φ = 57052895558400.

The previous prime is 203013220031173. The next prime is 203013220031207. The reversal of 203013220031202 is 202130022310302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (203013220031207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39620063799 + ... + 39620068922.

It is an arithmetic number, because the mean of its divisors is an integer number (14738664686292).

Almost surely, 2^{203013220031202} is an apocalyptic number.

203013220031202 is an abundant number, since it is smaller than the sum of its proper divisors (268624049930142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203013220031202 is a wasteful number, since it uses less digits than its factorization.

203013220031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79240132794.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203013220031202 its reverse (202130022310302), we get a palindrome (405143242341504).

The spelling of 203013220031202 in words is "two hundred three trillion, thirteen billion, two hundred twenty million, thirty-one thousand, two hundred two".